Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Valence_electron> ?p ?o }
- Valence_electron abstract "In chemistry, a valence electron is an electron that is associated with an atom, and that can participate in the formation of a chemical bond; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair. The presence of valence electrons can determine the element's chemical properties and whether it may bond with other elements: For a main group element, a valence electron can only be in the outermost electron shell. In a transition metal, a valence electron can also be in an inner shell.An atom with a closed shell of valence electrons (corresponding to an electron configuration s2p6) tends to be chemically inert. Atoms with one or two more valence electrons than are needed for a \"closed\" shell are highly reactive because it requires relatively low energy (compared to the lattice enthalpy) to remove the extra valence electrons to form a positive ion. Atoms with one or two valence electrons fewer than are needed to form a closed shell are also highly reactive because of a tendency either to gain the missing valence electrons (thereby forming a negative ion), or to share valence electrons (thereby forming a covalent bond).Like an electron in an inner shell, a valence electron has the ability to absorb or release energy in the form of a photon. An energy gain can trigger an electron to move (jump) to an outer shell; this is known as atomic excitation. Or the electron can even break free from its associated atom's valence shell; this is ionization to form a positive ion. When an electron loses energy (thereby causing a photon to be emitted), then it can move to an inner shell which is not fully occupied.Valence energy levels correspond to the principal quantum numbers (n = 1, 2, 3, 4 ...) or are labeled alphabetically with letters used in the X-ray notation (K, L, M, …).".
- Valence_electron thumbnail Covalent.svg?width=300.
- Valence_electron wikiPageExternalLink valence_electrons.htm.
- Valence_electron wikiPageID "568674".
- Valence_electron wikiPageLength "12530".
- Valence_electron wikiPageOutDegree "105".
- Valence_electron wikiPageRevisionID "702803503".
- Valence_electron wikiPageWikiLink Alkali_metal.
- Valence_electron wikiPageWikiLink Alkaline_earth_metal.
- Valence_electron wikiPageWikiLink Allotropy.
- Valence_electron wikiPageWikiLink Aluminium.
- Valence_electron wikiPageWikiLink Argon.
- Valence_electron wikiPageWikiLink Atom.
- Valence_electron wikiPageWikiLink Boron.
- Valence_electron wikiPageWikiLink Boron_group.
- Valence_electron wikiPageWikiLink Carbon.
- Valence_electron wikiPageWikiLink Carbon_group.
- Valence_electron wikiPageWikiLink Category:Chemical_bonding.
- Valence_electron wikiPageWikiLink Category:Electron_states.
- Valence_electron wikiPageWikiLink Chalcogen.
- Valence_electron wikiPageWikiLink Chemical_bond.
- Valence_electron wikiPageWikiLink Chemistry.
- Valence_electron wikiPageWikiLink Chlorine.
- Valence_electron wikiPageWikiLink Copper.
- Valence_electron wikiPageWikiLink Covalent_bond.
- Valence_electron wikiPageWikiLink D_electron_count.
- Valence_electron wikiPageWikiLink Diamond.
- Valence_electron wikiPageWikiLink Electric_current.
- Valence_electron wikiPageWikiLink Electric_field.
- Valence_electron wikiPageWikiLink Electrical_resistivity_and_conductivity.
- Valence_electron wikiPageWikiLink Electron.
- Valence_electron wikiPageWikiLink Electron_configuration.
- Valence_electron wikiPageWikiLink Electron_shell.
- Valence_electron wikiPageWikiLink Electronic_band_structure.
- Valence_electron wikiPageWikiLink Excited_state.
- Valence_electron wikiPageWikiLink Fluorine.
- Valence_electron wikiPageWikiLink Germanium.
- Valence_electron wikiPageWikiLink Gold.
- Valence_electron wikiPageWikiLink Group_(periodic_table).
- Valence_electron wikiPageWikiLink Halogen.
- Valence_electron wikiPageWikiLink Helium.
- Valence_electron wikiPageWikiLink Inert_gas.
- Valence_electron wikiPageWikiLink Insulator_(electricity).
- Valence_electron wikiPageWikiLink Ion.
- Valence_electron wikiPageWikiLink Ionic_bonding.
- Valence_electron wikiPageWikiLink Ionization.
- Valence_electron wikiPageWikiLink Ionization_energy.
- Valence_electron wikiPageWikiLink Magnesium.
- Valence_electron wikiPageWikiLink Main-group_element.
- Valence_electron wikiPageWikiLink Manganese.
- Valence_electron wikiPageWikiLink Metal.
- Valence_electron wikiPageWikiLink Metalloid.
- Valence_electron wikiPageWikiLink Nickel.
- Valence_electron wikiPageWikiLink Noble_gas.
- Valence_electron wikiPageWikiLink Nonmetal.
- Valence_electron wikiPageWikiLink Octet_rule.
- Valence_electron wikiPageWikiLink Open_shell.
- Valence_electron wikiPageWikiLink Oxidation_state.
- Valence_electron wikiPageWikiLink Periodic_table.
- Valence_electron wikiPageWikiLink Permanganate.
- Valence_electron wikiPageWikiLink Photon.
- Valence_electron wikiPageWikiLink Pnictogen.
- Valence_electron wikiPageWikiLink Potassium.
- Valence_electron wikiPageWikiLink Principal_quantum_number.
- Valence_electron wikiPageWikiLink Properties_of_metals,_metalloids_and_nonmetals.
- Valence_electron wikiPageWikiLink Reactivity_(chemistry).
- Valence_electron wikiPageWikiLink Semiconductor.
- Valence_electron wikiPageWikiLink Silicon.
- Valence_electron wikiPageWikiLink Silver.
- Valence_electron wikiPageWikiLink Sodium.
- Valence_electron wikiPageWikiLink Sodium_chloride.
- Valence_electron wikiPageWikiLink Solid.
- Valence_electron wikiPageWikiLink Sulfur.
- Valence_electron wikiPageWikiLink Temperature.
- Valence_electron wikiPageWikiLink Transition_metal.
- Valence_electron wikiPageWikiLink Valence_(chemistry).
- Valence_electron wikiPageWikiLink Valence_and_conduction_bands.
- Valence_electron wikiPageWikiLink X-ray_notation.
- Valence_electron wikiPageWikiLink Zinc.
- Valence_electron wikiPageWikiLink File:Covalent.svg.
- Valence_electron wikiPageWikiLink File:Periodic_table_(polyatomic).svg.
- Valence_electron wikiPageWikiLinkText "Valence Electrons".
- Valence_electron wikiPageWikiLinkText "Valence electron".
- Valence_electron wikiPageWikiLinkText "Valence_electron".
- Valence_electron wikiPageWikiLinkText "bonding electrons".
- Valence_electron wikiPageWikiLinkText "monovalent".
- Valence_electron wikiPageWikiLinkText "outer electron".
- Valence_electron wikiPageWikiLinkText "outer few".
- Valence_electron wikiPageWikiLinkText "outermost electron".
- Valence_electron wikiPageWikiLinkText "valence electron".
- Valence_electron wikiPageWikiLinkText "valence shell".
- Valence_electron wikiPageWikiLinkText "valence".
- Valence_electron wikiPageWikiLinkText "valence-electron".
- Valence_electron wikiPageWikiLinkText "valence-shell".
- Valence_electron wikiPageUsesTemplate Template:Chem.
- Valence_electron wikiPageUsesTemplate Template:Clear.
- Valence_electron wikiPageUsesTemplate Template:Main.
- Valence_electron wikiPageUsesTemplate Template:Reflist.
- Valence_electron subject Category:Chemical_bonding.
- Valence_electron subject Category:Electron_states.